Water purifier



' Dec. 14, 1926.

J. V. ROBERTS WATER PURIFIER 2 Sheets-Sheet 1 Filed Feb, 4, 1926 Dec. 14 1926.

J, v. ROBERTS WATER WRINER Filed Feb- 4. y1926 2 Sheets-Sheet 2A Patented Dec. 14, 1926.`

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JOHN VINCENT ROBERTS, or Los Ancienne, oenrronnie.

WATER PURFI-ER.

Application filed yflleoruary My invention relates to a Water purifier and has for its principal objects the provision of a relatively simple, practical and*` efficient apparatus lthat may be advantageously and economically employed for the very thorough purification of Water kthat is used for the generation of steam, in the manufacture of ice and for general'domeic purposes Where practically pure Water is desired. i y

Further objects ofymy invention are to provide a water purifying apparatus wherein the water, before passing through the apparatus, is preheated to boiler temperatures and which provision greatly enhances the e'fiiciency of the apparatus in the separation and elimination of all impurities andforeign substancesv from the water;A further,. to.provide simple and eflicient means for blowingl out that portion of they apparatus wherein water is heated, in order to: eliminate scale and sediment; further.I to provide. simple and eflicient means, foreffecting the discharge Whenever' desired of the impurities and foreign matter that are separatedV from' the. pure Water; further, to vprovide' means whereby the Water that passes through the apparatus may bei treated witha suitable ,purifying compound in order toi accelerate the elimination orfseparatifon of said: impurities from the Water; and furtherrto? provide anV apparatus of the` character referred to that Will be highlyyeffective in perfor-filing` the functions for which it is intended.

Vvyith the foregoing and other objects in view, my invention consists/incertain novel features. of construction and arrangement of parts thatwill hereinafter:beinorev fully described and` claimed' and illustrated in the accompanying. drawings, in Which- Fig. l is a diagraminaticy elevational view ota Water purifying apparatusl of my iinproved construction and showing t-he'same associated with a steam generating boiler.

Fig; 2 is an enlarged horizontal section taken approximately on the line 2-2 of Fig. l, and showing,` theivater heating` loop that extends from the'app'aratus into the boiler.

Fig.' disA a vertical section taken through the vlower portion of.` one ofthe separation tanks or containers of my improved water purifier. t y

lei'erringby numerals to-the accompanying, drawings, lfdesignates a; suitableform of injector that receives steamithrough va line ll from the dome of the boiler 1iQ/With which 4, 192e. serial no. cassa my improved apparatus is associated, said line 1l being` provided with a valve 13 located adjacent to thel injector. Leading to the. injector l0 from a suitable source of supply, for instance the city'mains or a tank lll shown, is a supply pipe l5 in which is located vaive i6. Lea ---gg from; the injector l0 to thevboiler l2 is ay pipe 17 and' located therein at poi-nts adjacent to saidinjectorv are valves 18 and. 19'. y

Located in pipe 17 adjacent ,to boiler 1Q is a valve Q0. Pipe 1'2" is directly connected to one leg` of a loop 2l "hat extends lengthwise through the steam chamber in the upper portion of boiler l2 and at the front end of` said boiler the other leg of this loop 2l is integiial With a tubular line 22 that-leads to the lower portion of the first oneof a series of upright tanks or containers` 23. hese upright' tanks or containers which function settling` tanksl for the separationof anyimpurities from the water suitably insulated against the radiation of heat and l preferl to construct said' tanks `or containers with double Walls such as 24 that arerspaced apart to form dead air chambers such-as 25, and the outer Walls' being covered with vsuitable insulating material such asbestos or mineral Wool.

The number of the tanlrsor containers 23 vary in accordance with existing conditions and the upper portion of each tank or container is connected tothe' lower portion of the next adjacent tank or container by a circulation tube 26; The loivere'nd of each tanlr or container. is connected: 'tof a drain or Waste outletjline 2.7 by a short tube28 and located in each tube 28 is a valve 29.

Leading from-.the upper portionof each tube QS above the vaive 29- therein is short tube 30 in Whic'his-located ai lvalve 3l. VThe valved tubes 30 provide means for testing thesediinent condition s in the lower porltions of the respective tanks or containers und the valved'tubes 2S 'that connect to wast line 27 provide means for effecting,l ay d charge of all sedinient'and matter tiiat accumulates inY the loiver portions of the tanks Vor containers.

lThe end of waste line 2'? opposite the end that leads to the sevver is connected by a pipe 32' to line 22st a point adjacent to the boiler, and' located inthistube 32. isa pair of valves 33. Located in line 22 adjacent to tliepoint-Where. tube SEZ connects with said line'QQ is a valve The upper ends of all of the containers are connected by short tubular members 35 to a tubular line 36 that leads to the waste outlet line 27, and located in said line 36 adjacent to the point where the same conneets with line 27 is a valve 37. Each. tubular connection 35 is provided with a valve 38.

The parts just described provide means tor permitting a discharge ot' all oils, magnesia, and lighter than water impurities that accumulate in the upper portions of the tanks or containers 3, and these impurities are carried to waste line 27.

Located on the iirst one of the series of tanks or containers 23 is a pressure gage 39 and located on the last one ot the series ot said tanks is a suitable temperature gage 40.

Leading trom a point in line 22 where the same turns toward the lower portion oi" the first tank 23 to the waste line 27, is a tube 41, and located therein is a pair of valves 42. Leading from line 17 at a point just below valve 19 therein to the boiler 12 is a direct connection line 43 in which is located a valve 44 and leading from this direct connection line at a point where the same enters the boiler 12 to line 17 at a point adjacent to where the latter connects to loop 21 is a tubular connection 45 in which are located valves 46 and 47.

Leading` from the upper portion of the last one ot' the series of tanks 23 to direct connection line 43 is a tube 48 in which is located a water meter 49. Located in this tube 48 just above the water meter is a check valve 49a and above the latter is located a valve 50. Located in line 43 on opposite sides of the point where tube 48 connects therewith, are valves 51 and 52. Leading` trom tube 48 is a domestic water supply pipe 53 in which is located a water meter 54 and a pair of valves 55. This domestic supply pipe provides means tor drawing ol'i from the apparatus any water that may be desired for making ice or for other domestic purposes.

Leading from line 17 at a point ust below valve 19 to the sewer or to waste line 27 is an outlet or discharge pipe 56 in which is located a valve`57.

The means 'for treating the water supply with a suitable purifying or scale removing` compound comprises a vertically disposed tank 58 having at its upper end a compound inlet tube 59 and the latter having a valve 60 and connecting the upper end ot this tank with line 17 is a short tube 61 having a valve 62. The lower portion ot tank 58 is connected to line 17 at a point adjacent to where the latter is connected to injector 10 by a short tube 63, and located in said connection is a valve 64. A check valve is located in line 17 in'nnediately adjacent to injector 1() and which check valve opens outwardly away from said injector. Leading vfrom the lower end of tank 58 downwardly7 and discharging into tank 14 is an outlet tube 66 in which is located a valve 67.

rlhe operation ot my improved water purifying apparatus is as trilloiifs:

The injector 10 in its operation draws water through supply line 15, valve 16 being` open, and this water 'forced through line 17 past check valve 65 and past open valves 18, 19 and 20, and this water flows lengthwise ol the boiler through loop 2l therebyy becoming heated to the temperature ol the boiler and in such rendition, said water 'Flows through line the lower portion ot the tiret one oiE the sei-- .tiling tanks The heated water llows upwardly through this tirst tank, thence downwardly through the circulation tube 26 between the lirst and f second tanks and thence through the entire series ot settling tanks and the connecting circulation tubes 26.

inasmuch as the tanks 23 and the circulation tubes 26 are thoroughly insulated against the radiation of heat, the water, in flowingl through said tanks and tubes, will be retained at practically boiler temperatures and under such conditions the separation ot both lighter and heavier impurities will be accelerated. The mineral salts and heavier inipurities will gradually settle to the bottom of the tanks 23 while the oils, magnesia, and lighter impurities will naturally rise to and accumulate in the upper portions of said tanks.

From the last tank of the series, the prac tically pure water will discharge through line 48 in which water meter 49 is located and said water will pass open valves 50 and 5l and thus enter the boiler 12, it being understood that the valves 46 and 47 in connection 45 are closed.

lVlienever desired, pure water for domestie purposes may be drawn olli' through outlet pipe 53 by ope-ning valves and such water is measured as it passes through meter .Y V=. The pressure of the water flowing through the settling tanks is ascertained. by means` ot pressure gage 39 and the temperature ot the water at the rear end ot the apparatus` is obtained by means of the temperature indicator 40.

At predetermined intervals, or whenever desired, valves 38 in connections Iand valve 37 in outlet line 36, may be opened in order to permit the discharge ot oils, magnesia, and other lighter impurities that arcuniulate in the upper portions oit the settlng tanks 23 and which impurities pass off through waste pipe 27 to the sewer.

From time to time the valves 31 in outlet connections may be opened thereby testing the condition ot the accumulations of heavier impurities at the bottoms ot the past open valve to fif lll) settling tanks and when lconditions warrant, these accumulations of heavier iin.- purities may be discharged by opening valves 29 in connections 28.

The rapid heating of the water in loop 21 tends to produce deposits of scale on the interior surfaces of the tubes forming said loop, and it is highly desirable and essential to the successful operation of the apparatus that this scale be blown out and discharged from timerto time. In order to accomplish this blowing out of the heating loop, valves20, 34, and 51 are closed and valves 33, 46, and 47, are opened. When this is done steam at boiler pressure will leave the boiler through the end of line 43 that is connected thereto, flow through line 45 'past open valves 46 and 47, and thence through loop 21, and in its passage through said loop the steam will loosen and blow out the 'scale and sediment and the latter will pass. through that portion of line 22 that is immediately adjacent to the boiler and thence through waste line 32, 27 past the open valves 33.

Thus provision iis made for blowing out the heating loop that passes through the boiler and which provision is highly desirable in maintaining the apparatus in perfect operating condition. j p

If for any reason it is desired to deliver water from the injector directly into the boiler wit-hout passing said water through the purifying apparatus, valve 19 is closed and valves 44, 5l, and 52 in line 43, are opened and thus water will pass directly through said line 43 from the injector to the boiler.

vWhen it is desired to treat the water that is being delivered to the boiler or to the purifying apparatus with a compound having properties that will tend to eliminate scale and produce a more rapid precipitation or separation of the impurities, valves.

62 and 64 are closed and valves 60 and 67 are opened in order to permit a discharge of any water that may be contained in tank 58. Valve G7 is now closed and the water treating compound is now delivered to tank 58 through inlet connection 59- Valve 60 is n ow closed and valves 62 and 64 are opened, and valve 18 in line 17 is closed. As the injector 10 is operated the water discharged therefrom will be forced through tank 58 and pass from the upper end thereof through connection 61 to line 17 above the closed valve 18, thus carrying with it the compound vand which latter will pass through the system with the water to produce the desired results.

In some instances it may be found desirable and advantageous to use a pump instead of the injector 10, and in order to conserve heat, it is desirable, though not essential, that the circulating tubes 2G bet-Ween the tanks and circulation lines 17 and 22 be It will be understood that minor changes in the size, form and construction of the various parts of my improved water purii'ler may herein shown and described without departing from thev rspirit ofmy invention, the scope of which is set forth in the appended claims. I

I claim as vmy invention:

1. In a structure 'of the class described, the combination with a boiler, of a heating' loop extending through the steam space within said boiler, a water supply line leading to said loop. means actuated by steam pressure from the-boiler for forcing water through said supplyline, a f branch water supplyline leading directly from the firstmentioned water supply line to the boiler, a series of upright settling tanks, a circulation line leading from the loop to the lirst tank in the series, a steam supply line leadingl from the steam chamber of the boiler to the water supply line that leads to the heating loop and a circulation tube connecting the upper portion of each settling tank with the lower portion of the next adjacent settling tank.

2. In a structure of the class described, the combination with a boiler, of a heat-ing loop extending through thel steam space within said boiler, a water supply line leading to said loop, means actuated by steam pressure from the boiler for forcing water through said supply line, a branch water supply line `leading directly from the firstmentioned water supply line to the boiler, a series of upright settling tanks, a circulation line leadinel from the loop to the first tank in the series, a steam supply line leading from the steam chamber of the boiler to the water supply line that leads to the heating loop, a circulation tube connecting the upper portion of each settling tank with the lower portion of the next adjacent settling tank, a valved outlet at the lower end of each tank, and a valved outlet at the upper end of each tank.

3. In a structure of the the combination with a boiler, of a heating' loop extending through the steam space within said boiler, a water supply line leading, to said loop, means actuated by steam pressure from the boiler for forcing water through said supply line, a branch water l thegeneration of steam and for i `general domestic purposes.

be made and substituted for those f class described,

lili) supply line leading directly 'from the firstinentioned water supply line to the boiler, e series of upright settling tanks, :t oiroulntion line leiding Vtroni the loop to the first tank in the series, n steam supply line lending` troni the stezun chamber of the boiler to the water supply line that lends to the heating loop, a circulation tube connecting the upper portion ot each settling tank with the lower portion of the next udjaeent settling tank, a valved blow o'fli connection leading from said heating` loop, a mired outlet at the upper end of eac-h tank und n Yalred outlet at the lower end ot each tank,

at. ln zrstructure ot the class described, the Combination with a boiler, of a her-.tin` loop extending' through the steam space within seid boiler, an injector', u steam sup ply line leading from the boiler to said injector', e water supply pipe leading troni the injector to said loop, a branch witter supph7 line leading from said water supply pipe directly to the boiler, zt tubular con neetion 'troni said branch water supplyv line to the water supply line that leads to said. loop, a valved Weste line leading trein said loop, a series ot' settling tanks, connections between said tanks, a connection from the waste line that leads troni the heating4 loop in the boiler to the lirst one of the settlingl tanks iu the series, Vnlved outlets at the upper ends ot the tanks and valved outlets be ween the lower ends ot seid tanks and the '-i'zte line that lends tre-n1 the lienting loop.

5. ln a structure of the class described, the combine-tion with a: boiler, ot n heating loop extendine' through the stezun space between said tanks, a connection from the V waste line that lends 'trein the heating loam in the boiler te the lirst one of the settling' Vtanks in the series, vnlved outlets :it the upper ends ot' the tanks, valved outlets between the lower ends ot' said tanks :1nd the wute line that leads troni the heating` loop and ineens tor supplying' writer treating' compound to the 'witter suppl)v pipe tlmt leads t'roin seid injector.

lu, testimoni,v whereof l ullix my signature. 

